[powerpc:next-test 33/34] arch/powerpc/platforms/powermac/smp.c:933:2: error: implicit declaration of function 'low_cpu_offline_self'

[powerpc:next-test 33/34] arch/powerpc/platforms/powermac/smp.c:933:2: error: implicit declaration of function 'low_cpu_offline_self'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test
head:   0a2900256840208c4a4248ff5900ae57990d55dc
commit: 7f24f76bc606cbae1b56a8a445a5353594c3cf18 [33/34] powerpc/smp: Move ppc_md.cpu_die() to smp_ops.cpu_offline_self()
config: powerpc-randconfig-r024-20200811 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4f2ad15db535873dda9bfe248a2771023b64a43c)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        git checkout 7f24f76bc606cbae1b56a8a445a5353594c3cf18
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/powerpc/platforms/powermac/smp.c:419:13: warning: no previous prototype for function 'smp_psurge_take_timebase' [-Wmissing-prototypes]
   void __init smp_psurge_take_timebase(void)
               ^
   arch/powerpc/platforms/powermac/smp.c:419:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init smp_psurge_take_timebase(void)
   ^
   static 
   arch/powerpc/platforms/powermac/smp.c:435:13: warning: no previous prototype for function 'smp_psurge_give_timebase' [-Wmissing-prototypes]
   void __init smp_psurge_give_timebase(void)
               ^
   arch/powerpc/platforms/powermac/smp.c:435:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init smp_psurge_give_timebase(void)
   ^
   static 
>> arch/powerpc/platforms/powermac/smp.c:933:2: error: implicit declaration of function 'low_cpu_offline_self' [-Werror,-Wimplicit-function-declaration]
           low_cpu_offline_self();
           ^
   arch/powerpc/platforms/powermac/smp.c:933:2: note: did you mean 'pmac_cpu_offline_self'?
   arch/powerpc/platforms/powermac/smp.c:923:13: note: 'pmac_cpu_offline_self' declared here
   static void pmac_cpu_offline_self(void)
               ^
   2 warnings and 1 error generated.

vim +/low_cpu_offline_self +933 arch/powerpc/platforms/powermac/smp.c

   922	
   923	static void pmac_cpu_offline_self(void)
   924	{
   925		int cpu = smp_processor_id();
   926	
   927		local_irq_disable();
   928		idle_task_exit();
   929		pr_debug("CPU%d offline\n", cpu);
   930		generic_set_cpu_dead(cpu);
   931		smp_wmb();
   932		mb();
 > 933		low_cpu_offline_self();
   934	}
   935	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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